diff --git a/opm/autodiff/WellConnectionAuxiliaryModule.hpp b/opm/autodiff/WellConnectionAuxiliaryModule.hpp
index 3c73fb51e..f3884e79c 100644
--- a/opm/autodiff/WellConnectionAuxiliaryModule.hpp
+++ b/opm/autodiff/WellConnectionAuxiliaryModule.hpp
@@ -116,7 +116,7 @@ public:
     void applyInitial()
     {}
 
-    void linearize(JacobianMatrix& matrix, GlobalEqVector& residual)
+    void linearize(JacobianMatrix& , GlobalEqVector&)
     {
         // Linearization is done in StandardDenseWells
     }